Or, you can treat this as a (hopefully) non-expensive TRAINING lesson in the art of negotiating / due diligence (and flipping) - and you'll know better next time, right?

If you're very happy about your building's exceptionally low maintenance and don't mind that its lobby looks like a time capsule from the 1970s, you probably don't want new neighbors who want to spend the co-op's money to renovate it.If you’re an artist who needs a large, high-ceilinged space to make art but who isn’t rich and famous yet, you may not want to spend money on amenities like roof decks and exercise rooms.

@Art AllenThat's a great  response and one I'll take to heart. 

He has a course on RealEstateU called "The Art of Syndication."

May I suggest The real estate wholesaling bible by Than Merril and also The art of wholesaling properties by Alex virelles, Aram shah.

That being said, estimating rehab costs is an art, not a science, and there are many variables at play.

I'm looking to potentially sell my duplex in Bishop Arts (it's a really solid property but I'm moving to the UK and just want out if the price is right), and got a good cash offer from a company called Win Win Home Buyers.

Beyond all of that, I am a bit of an Art Collector.

Sorry Art but this is the lay of the land here.

The art of the deal i guess